<template>
  <div class="search">
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-show="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removecategoryName">×</i>
            </li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-show="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removekeyword">×</i>
            </li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-show="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removetrademark">×</i>
            </li>
            <!-- 品牌属性值的面包屑 -->
            <li
              class="with-x"
              v-for="(item, index) in searchParams.props"
              :key="index"
            >
              {{ item.split(":")[1] }}<i @click="removeprops(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 是否选中取决于searchParams.order的参数 -->
                <li :class="{ active: searchParams.order.indexOf(1) != -1 }">
                  <!-- 绑定点击添加节点事件 -->
                  <a @click="changespan('1')" class="px">综合</a>
                </li>
                <li :class="{ active: searchParams.order.indexOf(2) != -1 }">
                  <a @click="changespan('2')" class="px">价格</a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品列表 -->
          <div class="goods-list">
            <!-- 因为此时数据可能还没拿到，渲染会报undefined的错误，所以加一个v-if判断，是undefined就不渲染 -->
            <ul class="yui3-g" v-if="$store.state.search.SearchInfo">
              <li class="yui3-u-1-5" v-for="good in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 跳转详情页并且把id带过去 -->
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg"
                    /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" :title="good.title">{{
                      good.title
                    }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination
            :pageNo="searchParams.pageNo"
            :pageSize="searchParams.pageSize"
            :total="total"
            :continues="5"
            @getPageNo="getPageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters, mapState } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },
  data() {
    return {
      searchParams: {
        category1Id: "", //一级分类的id
        category2Id: "", //二级分类的id
        category3Id: "", //三级分类的id
        categoryName: "", //分类名字
        keyword: "", //搜索输入的关键字
        order: "1:desc", //排序方式，排序的初始值应该是综合降序
        pageNo: 1, //分页器用，代表当前几页
        pageSize: 10, //每一页展示数据个数
        props: [], //平台售卖属性的操作带的参数
        trademark: "", //品牌
      },
    };
  },
  created() {
    //合并对象参数
    Object.assign(this.searchParams, this.$route.query, this.$route.params);
  },
  mounted() {
    this.getData();
    //网页加载时默认显示箭头
    this.span();
  },
  computed: {
    //mapGetters就不需要对象形式的写法，可以直接用数组形式
    ...mapGetters(["goodsList"]),
    ...mapState({
      total: (state) => state.search.SearchInfo.total,
    }),
  },
  methods: {
    //获取数据
    getData() {
      this.$store.dispatch("getSearchList", this.searchParams);
    },
    //删除面包屑标签
    removecategoryName() {
      //就是将对应数据置空，同时应该重新发起请求，地址栏的参数也会发生变化，搜索栏同时也要置空
      //减少传递参数可以提高ajax的性能，所以可以把不需要传的参数设置为undefined
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      //再发请求
      this.getData();
      //同时地址栏的参数也会发生变化
      //利用自己跳转自己实现，同时params参数也要传递过去
      this.$router.push({
        name: "search",
        params: {
          keyword: this.searchParams.keyword,
        },
      });
    },
    removekeyword() {
      this.searchParams.keyword = undefined;
      this.getData();
      //搜索框置空，通知Header清除关键字
      this.$bus.$emit("clear");
      //利用自己跳转自己实现，同时params参数也要传递过去
      this.$router.push({
        name: "search",
        query: this.$route.query,
      });
    },
    removetrademark() {
      this.searchParams.trademark = "";
      this.getData();
    },
    removeprops(index) {
      //删除对应售卖属性
      this.searchParams.props.splice(index, 1);

      this.getData();
    },
    //自定义事件的回调
    trademarkInfo(data) {
      //拿到品牌信息，整理参数发请求
      this.searchParams.trademark = `${data.tmId}:${data.tmName}`;
      this.getData();
    },
    attrInfo(attr, value) {
      //整理参数
      let props = `${attr.attrId}:${value}:${attr.attrName}`;
      //为了避免重复点击添加重复数据，这里要做一个去重判断
      if (this.searchParams.props.indexOf(props) == -1) {
        this.searchParams.props.push(props);
      }
      //再次发请求
      this.getData();
    },
    //添加默认显示箭头
    span() {
      let a = document.getElementsByClassName("px")[0];
      a.innerHTML += "<span id='jt' class='icon iconfont'>&#xeb0a;</span>";
    },
    //判断span节点显示箭头
    addspan(index) {
      //获取两个a标签节点
      var a = document.getElementsByClassName("px");
      //获取箭头节点
      var jt = document.getElementById("jt");
      //判断箭头节点是否存在，如果存在我们需要删除
      if (jt) {
        jt.remove();
      }
      let flag = "";
      // 根据index判断向哪个a标签中插入箭头的节点
      index == "1" ? (flag = 0) : (flag = 1);
      //向a标签内插入箭头的节点，根据order的信息判断插入的箭头是什么
      if (this.searchParams.order.indexOf("desc") != -1) {
        a[flag].innerHTML +=
          "<span id='jt' class='icon iconfont'>&#xeb0a;</span>";
      } else {
        a[flag].innerHTML +=
          "<span id='jt' class='icon iconfont'>&#xeb0b;</span>";
      }
    },
    //点击改变排序方式
    changespan(index) {
      //现将参数拆分便于后续处理
      let order = this.searchParams.order.split(":");
      let flag = order[0];
      let sort = order[1];
      //根据事件传入的参数判断显示高亮标签
      if (index == flag) {
        // 如果点击的是同一标签则改变排序方式
        this.searchParams.order = `${flag}:${sort == "desc" ? "asc" : "desc"}`;
        this.addspan(index);
      } else {
        //如果不同则默认是降序排列，且改变flag值
        this.searchParams.order = `${index}:desc`;
        this.addspan(index);
      }
      this.getData();
    },
    //获取当前分页页码
    getPageNo(pageNo) {
      //修改页码重新发请求
      this.searchParams.pageNo = pageNo;
      this.getData();
    },
  },
  watch: {
    //点搜索的时候会改变路由参数
    //监听路由信息变化，如果发生变化再次发请求
    $route(newValue, oldValue) {
      //将searchParams的数据置空，避免请求的时候带去多余的参数
      this.searchParams.category1Id = "";
      this.searchParams.category2Id = "";
      this.searchParams.category3Id = "";
      //再次发请求前再次整理参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params);
      this.getData();
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: 2px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
@font-face {
  font-family: "iconfont"; /* Project id  */
  src: url("iconfont.ttf?t=1645156431247") format("truetype");
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-jiantou_xiangxia:before {
  content: "\eb0a";
}

.icon-jiantou_xiangshang:before {
  content: "\eb0b";
}
</style>